Nature's secrets revealed : scientific knowledge of the laws of sex life and heredity; or Eugenics: vital information for the married and marriageable of all ages ... Together with important hints on social purity, heredity, physical manhood and womanhood by noted specialists, embracing a department on ethics of the unmarried /
| Other Authors: | , |
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| Format: | Book |
| Language: | English |
| Published: |
Garden City, N.Y. :
Doubleday,
1970.
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| Edition: | Replica ed. |
| Subjects: |
| Item Description: | Title on spine: Eugenics: the laws of sex life and heredity. 1911 edition published under title: Know thyself; or, Nature's secrets revealed. |
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| Physical Description: | 536 pages : illustrations ; 22 cm. |